Home / 13,561,520.58-18,715,099.14-7,366,687.56

Finding the Fourth Proportional to 13,561,520.58, 18,715,099.14 and 7,366,687.56

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Solution

The fourth proportional to 13,561,520.58, 18,715,099.14 and 7,366,687.56 is: 10,166,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,520.58 : 18,715,099.14 = 7,366,687.56 : x
  2. Step 2: Convert to fraction form
    13,561,520.58/18,715,099.14 = 7,366,687.56/x
  3. Step 3: Cross multiply
    13,561,520.58x = 18,715,099.14 × 7,366,687.56
  4. Step 4: Simplify right side
    13,561,520.58x = 137,868,288,018,804.69
  5. Step 5: Solve for x
    x = 137,868,288,018,804.69/13,561,520.58
  6. Step 6: Final answer
    x = 10,166,137.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.